(19)
(11) EP 0 864 005 A1

(12)

(43) Date of publication:
16.09.1998 Bulletin 1998/38

(21) Application number: 96937250.0

(22) Date of filing: 25.10.1996
(51) International Patent Classification (IPC): 
D01F 2/ 00( . )
D01F 2/ 28( . )
(86) International application number:
PCT/EP1996/004662
(87) International publication number:
WO 1997/019207 (29.05.1997 Gazette 1997/23)
(84) Designated Contracting States:
AT DE ES FR GB IT NL

(30) Priority: 20.11.1995 NL 19951001692

(71) Applicant: MICHELIN RECHERCHE ET TECHNIQUE S.A.
CH-1763 Granges-Paccot (CH)

(72) Inventors:
  • VOS, Gerardus, Johannes, Hendricus
    NL-6931 CN Westervoort (NL)
  • KOENDERS, Bernardus, Maria
    NL-6931 WG Westervoort (NL)
  • BOERSTOEL, Hanneke
    NL-6824 NN Arnhem (NL)

(74) Representative: Hiebel, Robert 
Michelin & Cie, Service SGD/LG/PI Ladoux
63040 Clermont-Ferrand Cedex 01
63040 Clermont-Ferrand Cedex 01 (FR)

   


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